BRUSH HOLDER ASSEMBLY COMPLETE WITHOUT BRUSHES FOR TRACTION MOTOR TYPE HS 15250A as per Ref No. 1 TO 19 OF CLW DRG NO. 2 TWD 095 090, ALT- 5 OR LATEST. FIRMS HAVE TO SUPPLY THE BRUSH ASSLY. WITH NON- METALLIC SPACERS AS PER RDSO DRG NO. SKEL- 4683, INSTEAD OF BRASS ALLOY METALLIC SPACERS. ( AS PER RDSO Mod. Sheet No. ELRS/ MS/ 0329 ( Rev.